[110517] in North American Network Operators' Group
Re: Estimate of satellite vs. Land-based traffic
daemon@ATHENA.MIT.EDU (Marshall Eubanks)
Thu Jan 8 07:00:59 2009
From: Marshall Eubanks <tme@multicasttech.com>
To: =?ISO-8859-1?Q?Bj=F8rn_Mork?= <bjorn@mork.no>
In-Reply-To: <874p0aqbn0.fsf@obelix.mork.no>
Date: Thu, 8 Jan 2009 07:00:54 -0500
Cc: "nanog@nanog.org list" <nanog@nanog.org>,
Martin Hannigan <hannigan@verneglobal.com>
Errors-To: nanog-bounces@nanog.org
On Jan 8, 2009, at 6:29 AM, Bj=F8rn Mork wrote:
> Marshall Eubanks <tme@multicasttech.com> writes:
>
>> When I was working with Svalbard, Internet connectivity was through a
>> satellite link at about 2.5 degrees
>> elevation looking through a notch in the mountains. I don't think it
>> has changed
>
> It has, as Steinar says.
>
> For those interested in the necessary elevation at 78 degrees north, I
> found a nice picture of the antennas here:
> http://www.mydarc.de/la0by/isfjord.jpg
>
> There aren't any mountains in front of the the antennas. However =20
> there
> is a mountain between Isfjord Radio and Longyearbyen (the main
> settlement), requiring a relay station on the radio link between =20
> these.
>
The NyAlesund SGO
http://siempre.arcus.org/4DACTION/wi_alias_fsDrawPage/1/107
is some distance North of Longyearbyen (how many places can say =20
that ?), and I used to have
a nice picture, which alas I cannot find, of the satellite link (not =20
the 20 meter dish in the picture) apparently pointing at the mountains.
It does indeed have fiber now, and has been used for eVLBI
http://www.haystack.mit.edu/tech/vlbi/evlbi/index.html
Regards
Marshall
>
>
> Bj=F8rn
